Cyber Security Jobs

Sr. Software Engineer - Data Query Platform - London

This role involves building and maintaining ultra-high-scale data platforms that process petabytes of data from the Falcon platform, enabling analytics, machine learning, and threat hunting. The engineer will work extensively with Java microservices, Spark/Scala, Flink, Kubernetes, and AWS to design fault-tolerant systems for querying large-scale event pipelines. The position emphasizes distributed systems design, low-latency data processing, and collaboration across remote teams.

CrowdStrike London, United Kingdom

Hybrid Permanent

Sr. Security Researcher , DEU)

Conducts advanced vulnerability research and exploit development, focusing on analyzing patches, identifying zero-day vulnerabilities, and building automated tools for large-scale data analysis. Publishes findings internally and externally while supporting other teams with technical expertise. Works remotely within a global cybersecurity intelligence team.

CrowdStrike Alba / Scotland

Remote Permanent

Senior ML Engineer, Doc Fraud

This role involves building and optimizing production machine learning systems for document classification and extraction, with a focus on leveraging LLMs and traditional ML techniques at scale. The engineer will design training and inference pipelines, improve model accuracy through advanced labeling workflows, and ensure high performance and reliability in real-time systems. Collaboration with applied science, product, and operations teams is key to delivering secure, seamless customer onboarding experiences across global document types.

Entrust

Hybrid Permanent

iOS Mobile Software Engineer II

This role involves developing and enhancing iOS SDKs for document capture within identity verification solutions. The engineer will focus on camera functionality, on-device image processing, and machine learning to improve user experience and image quality. Work includes SDK development, API integration, test automation, and collaboration with product teams to deliver accessible, high-performance solutions embedded in customer applications.

Entrust Portugal

Hybrid Permanent

Solution Architect

Design and review secure technical solutions across cloud, application, infrastructure, and integration domains. Ensure security controls are embedded throughout the design and delivery lifecycle. Provide security architecture expertise across technology initiatives, working with technical teams and stakeholders to identify risks and advise on controls.

Hays Technology London, United Kingdom £560 pd

Hybrid Contract Clearance Required

Security Architect - DV cleared

This role involves designing and assuring secure architectures across complex technology environments, embedding security into governance and the delivery lifecycle. The Security Architect will translate cyber threats into practical controls, review cloud and on-premises systems, and act as a senior technical authority within a high-assurance, government-aligned environment. The position requires active DV clearance and supports transformation programmes with secure-by-design principles.

CBSbutler Holdings Limited trading as CBSbutler London, United Kingdom £650 – £750 pd

Cyber Risk Lead

The role involves leading and enhancing the third-party cyber risk management framework, including vendor due diligence, risk assessments, and compliance with regulations such as DORA, NIS2, and GDPR. The individual will work cross-functionally with IT, Procurement, and Legal teams, and provide clear risk reporting to senior stakeholders. Key responsibilities include managing cyber risk for critical suppliers and driving process improvements using GRC platforms and Power BI.

CPS Group London, United Kingdom £80,000 – £90,000 pa

AWS DevOps Engineer

This role involves designing, deploying, and managing secure AWS cloud infrastructure using Infrastructure as Code tools like Terraform, CloudFormation, and Pulumi. You'll build and maintain CI/CD pipelines, automate operational tasks with scripting, and implement cloud security best practices including Zero Trust. Working within Agile teams, you'll troubleshoot and optimise mission-critical environments alongside architects and technical stakeholders.

83zero Manchester, United Kingdom £75,000 – £80,000 pa

AI & SRE Consultant

This role involves advising enterprise clients on transforming their cloud operating models to be scalable, resilient, and AI-ready. You will assess current operational environments, design future-state governance frameworks, and drive automation-first practices with a focus on Generative AI, AIOps, and intelligent automation. The position also includes contributing to business development, thought leadership, and stakeholder engagement across high-profile transformation programmes.

Akkodis London, City And County Of the City Of London, United Kingdom £88,000 – £96,000 pa

AWS DevOps Engineer

Design and manage secure AWS cloud infrastructure using Infrastructure as Code tools like Terraform and CloudFormation. Develop and maintain CI/CD pipelines, implement monitoring and observability, and automate operational tasks in collaboration with Agile teams. Focus on cloud security, Zero Trust principles, and modern DevOps practices within highly regulated environments.

83zero London, United Kingdom £75,000 – £80,000 pa

Cloud Security Engineer

This role involves operating and optimising cloud security across AWS and cloud-native environments using Palo Alto's Cortex and Prisma platforms. You'll develop threat detection rules, support incident response, and enhance Zero Trust and container security controls. The position is fully remote, working within a collaborative security team on a 12-month contract.

Hays Technology London, United Kingdom £450 – £550 pd

Governance, Risk Compliance Lead

This role involves leading cyber security governance, risk, and compliance activities for a critical infrastructure operator. The person will manage regulatory engagement with Ofgem and other authorities, maintain compliance with NIS Regulations, NIS2, ECAF, and ISO 27001, and oversee cyber risk and supply chain assurance programmes. They will also produce reports and dashboards for senior leadership and contribute to strategic cyber resilience initiatives.

Infosec London, United Kingdom £80,000 – £90,000 pa

AI DevSecOps Consultant

This role involves integrating AI tools like Claude Code into secure software development pipelines, with a focus on embedding security controls into AI-assisted workflows. The consultant will design and secure CI/CD pipelines across AWS and GCP, automate security practices, and prevent exposure of secrets in code. It requires deep expertise in DevSecOps, cloud security, and secure software delivery at scale.

Talent Smart Sheffield, South Yorkshire, United Kingdom £650 – £675 pd

AWS DevOps Engineer

Design and maintain secure AWS cloud infrastructure, using Terraform for Infrastructure as Code and managing CI/CD pipelines with GitHub Actions and Jenkins. Operate containerised workloads on Kubernetes (EKS) and implement monitoring, logging, and DevSecOps practices in a government digital transformation programme. Collaborate with architects and developers in an Agile environment to enhance platform reliability, scalability, and security.

Opus Recruitment Solutions London, United Kingdom £600 pd

Infrastructure Engineer / Security

This role involves maintaining and securing IT infrastructure across on-premise and cloud environments, with a focus on system hardening, vulnerability management, and incident response. The engineer will work with security technologies like SIEM, EDR, and IAM, support compliance and disaster recovery, and contribute to infrastructure projects using automation and Infrastructure-as-Code tools. A strong background in Linux, networking, and cloud security is essential.

IT Talent Solutions Guildford, Surrey, United Kingdom £55,000 – £65,000 pa